Varta element 6 User manual

VARTA Storage GmbH
OPERATING MANUAL
VARTA element backup

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Legal notice
Operating manual VARTA element backup
VARTA Storage GmbH
Nürnberger Straße 65
86720 Nördlingen
Germany
www.varta-ag.com
Tel.: [phone]
[e-mail]
Technical service:
If you require assistance in troubleshooting or installing your device, we will be glad to help you. Please contact
your local technical support. You will find the contact details at www.varta-storage.de.
DE - Technical service:
[e-mail]
Tel.: [phone]
Document number: 802970-02
Stand: 10/2021
Note to the electrical specialist
This manual contains, in the first part, general information on the operation of the VARTA
element backup energy storage system.
You will find further information in the Installation , Operation in the password-protected area
and Maintenance sections.

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Contents
GENERAL ...................................................................................................................................................................................................... 7
1 INFORMATION ABOUT THIS MANUAL ................................................................................................................................................................. 7
1.1 Symbol explanation ............................................................................................................................................................................ 7
1.2 Safety instructions.............................................................................................................................................................................. 7
1.2.1 Warning stages ........................................................................................................................................................................... 7
1.3 General safety signs...........................................................................................................................................................................8
1.4 Warning sign...........................................................................................................................................................................................8
2 SAFETY....................................................................................................................................................................................................................9
2.1 General information on safety......................................................................................................................................................9
2.2 Intended use...........................................................................................................................................................................................9
2.3 Disclaimer................................................................................................................................................................................................9
2.4 Erroneous use...................................................................................................................................................................................... 10
2.5 Prohibited use...................................................................................................................................................................................... 10
2.6 Requirements for electrical specialists................................................................................................................................ 10
2.7 General danger sources ..................................................................................................................................................................11
2.7.1 Danger due to electrical voltage......................................................................................................................................11
2.7.2 Danger due to water ...............................................................................................................................................................11
2.7.3 Danger due to oxidising and corrosive substances................................................................................................11
2.7.4 Danger due to heat ................................................................................................................................................................. 12
2.7.5 Danger due to misconduct ................................................................................................................................................. 12
2.7.6 Safety equipment .................................................................................................................................................................... 13
3 FUNCTION,SCOPE OF DELIVERY AND TECHNICAL PARAMETERS .............................................................................................................. 14
3.1 Function of the VARTA element backup................................................................................................................................ 14
3.1.1 Term definition.......................................................................................................................................................................... 14
3.2 Cascade mode:.................................................................................................................................................................................... 15
3.3 Scope of delivery DE ........................................................................................................................................................................ 15
3.4 View of the VARTA element backup......................................................................................................................................... 16
3.5 System overview Own consumption optimisation ........................................................................................................... 17
3.6 System overview with replacement power consumers ................................................................................................18
3.7 Identification ........................................................................................................................................................................................ 19
3.7.1 Type plate .................................................................................................................................................................................... 19
3.7.2 ID label of the battery module.......................................................................................................................................... 19
3.8 Technical parameters VARTA element backup ................................................................................................................ 20
3.9.1 Battery module ......................................................................................................................................................................... 21
3.9.2 Environmental rating............................................................................................................................................................. 21
3.10 Derating .................................................................................................................................................................................................. 21
4 REPLACEMENT POWER OPERATION VARTA ELEMENT BACKUP...............................................................................................................22
4.1 Replacement power box (Optional)..........................................................................................................................................22
4.2 Electrical consumers in the replacement power operation...................................................................................... 23
4.2.1 Notes on connection:............................................................................................................................................................ 23
4.2.2 Overload....................................................................................................................................................................................... 23
4.3 Black start ............................................................................................................................................................................................ 24
4.4 Testing the replacement power function ............................................................................................................................ 24
4.5 Activate replacement power function................................................................................................................................... 25
5 GUARANTEE ........................................................................................................................................................................................................ 25
5.1 Guarantee registration................................................................................................................................................................... 26
5.1.1 Part 1: Installer ......................................................................................................................................................................... 26
5.1.2 Part 2: End customer ............................................................................................................................................................ 26
OPERATION................................................................................................................................................................................................ 27
6 SWITCHING ON AND OFF,WEB INTERFACE ....................................................................................................................................................27
6.1 The VARTA element backup........................................................................................................................................................ 28
6.1.1 Switching on and off (VARTA element backup)...................................................................................................... 28

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6.1.2 VARTA element backup – switching on the replacement power mode.................................................... 28
6.2 Displays of the LED ring on the on/off switch .................................................................................................................. 28
6.3 The web interface............................................................................................................................................................................. 29
6.3.1 Access to the web interface............................................................................................................................................. 29
6.3.2 The Energy Manager.............................................................................................................................................................. 30
6.4 The portal ...............................................................................................................................................................................................31
7 MAINTENANCE AND CLEANING....................................................................................................................................................................... 32
7.1 Maintenance works.......................................................................................................................................................................... 32
7.2 Cleaning................................................................................................................................................................................................. 32
8 FAULT .................................................................................................................................................................................................................. 33
8.1 Fault displays...................................................................................................................................................................................... 33
8.1.1 Fault displays of the LED ring on the on/off switch ............................................................................................ 33
8.1.2 Faults displays on the web interface........................................................................................................................... 33
9 CASE OF DAMAGE .............................................................................................................................................................................................. 34
9.1 Behaviour in the event of damage ........................................................................................................................................... 34
INSTALLATION..........................................................................................................................................................................................35
10 TRANSPORT AND STORAGE .............................................................................................................................................................................. 35
10.1 Transport ............................................................................................................................................................................................... 35
10.2 Transport regulations and safety directions ...................................................................................................................... 35
10.3 Packaging/transport control ...................................................................................................................................................... 36
10.4 Storage ................................................................................................................................................................................................... 37
11 ASSEMBLY AND INSTALLATION .......................................................................................................................................................................38
11.1 Test components ..............................................................................................................................................................................38
11.2 Setup site requirements................................................................................................................................................................ 39
11.3 Suitable assembly sites ................................................................................................................................................................ 39
11.4 Setup site .............................................................................................................................................................................................. 39
11.4.1 Dimensions and equipment .............................................................................................................................................. 39
11.4.2 Environmental conditions .................................................................................................................................................. 40
11.4.3 Non-permitted locations and environmental conditions.................................................................................. 40
11.5 Preparation of the electrical connection..............................................................................................................................41
11.6 External power reduction ............................................................................................................................................................. 42
11.7 Connection plans of the VARTA element backup............................................................................................................ 43
11.7.1 VARTA element backup with replacement power box in the TT network ................................................ 43
11.7.2 VARTA element backup with replacement power box in the TN-C network .......................................... 44
11.7.3 VARTA element backup in the house installation in the TT network.......................................................... 45
11.7.4 VARTA element backup in the house installation in the TN-C network.................................................... 46
11.8 Network connection preparation (black plug)................................................................................................................... 47
11.8.1 Replacement power connection preparation (light grey plug) ...................................................................... 49
11.8.2 Connecting the VARTA Split Core current sensor................................................................................................. 50
11.9 Connecting the optional current sensor................................................................................................................................51
11.10 Assembly preparation..................................................................................................................................................................... 52
11.11 Setting up and connecting the storage cabinet ............................................................................................................... 52
11.11.1 Battery module assembly .................................................................................................................................................. 54
11.11.2 Opening the storage cabinet ............................................................................................................................................ 54
11.11.3 Check the battery modules............................................................................................................................................... 55
11.11.4 Behaviour in the event of damage................................................................................................................................. 55
11.11.5 Fit and connect battery modules................................................................................................................................... 56
11.11.6 Connections on the battery module ..............................................................................................................................57
11.11.7 Connections on the battery charger (front)...............................................................................................................57
11.11.8 Position of the battery modules ..................................................................................................................................... 58
11.11.9 Element 6 - Fit and connect battery module........................................................................................................... 59
11.11.10 Element 12 - Fit and connect battery modules....................................................................................................... 60
11.11.11 Element 18 - Fit and connect battery modules ...................................................................................................... 62
11.11.12 Closing the storage cabinet.............................................................................................................................................. 63

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11.12 Initial start-up..................................................................................................................................................................................... 64
11.12.1 Check activation of the battery modules .................................................................................................................. 64
11.12.2 Password entry ........................................................................................................................................................................ 65
11.12.3 Quick Install - basic settings ........................................................................................................................................... 68
11.12.4 Quick Install - network ........................................................................................................................................................ 69
11.12.5 Quick Install - network .........................................................................................................................................................70
11.13 Checking the system ....................................................................................................................................................................... 71
11.13.1 Check on the homepage...................................................................................................................................................... 71
11.13.2 Checks on the system page...............................................................................................................................................72
11.13.3 Checking the connections on the battery converter............................................................................................73
11.13.4 Checking the battery modules .........................................................................................................................................73
11.14 Checking the replacement power network .........................................................................................................................73
11.15 Black start key test...........................................................................................................................................................................73
11.15.1 Leaving the password-protected area .........................................................................................................................74
OPERATION IN THE PASSWORD-PROTECTED AREA ...................................................................................................................75
12 THE PASSWORD-PROTECTED AREA.................................................................................................................................................................75
12.1 Access to the password entry web interface .....................................................................................................................75
12.2 The system menu...............................................................................................................................................................................76
12.3 The version menu...............................................................................................................................................................................77
12.4 The settings menu.............................................................................................................................................................................78
12.4.1 Basic settings............................................................................................................................................................................78
12.4.2 Network/portal connection................................................................................................................................................79
12.4.3 Reboot ...........................................................................................................................................................................................79
12.4.4 Service settings........................................................................................................................................................................79
12.4.5 Network ....................................................................................................................................................................................... 80
12.4.6 Setting according to Q(U) characteristic................................................................................................................... 83
12.5 The power restriction menu........................................................................................................................................................ 84
12.6 Leaving the password-protected area .................................................................................................................................. 84
MAINTENANCE .........................................................................................................................................................................................85
13 BASIC INFORMATION ON MAINTENANCE....................................................................................................................................................... 85
13.1 Safety instructions........................................................................................................................................................................... 85
13.2 Scope of the maintenanceworks.............................................................................................................................................. 86
13.3 Service and repair works .............................................................................................................................................................. 86
13.4 External check of the storage cabinet ...................................................................................................................................87
13.5 Checking the system parameters (service).........................................................................................................................87
13.5.1 Checking the online status ................................................................................................................................................87
13.5.2 Error lists .................................................................................................................................................................................... 88
13.5.3 Eliminating faults ................................................................................................................................................................... 88
13.5.4 Check software version ...................................................................................................................................................... 89
13.5.5 Air filter change: Reset time............................................................................................................................................. 89
13.5.6 Check ventilator...................................................................................................................................................................... 90
13.6 Checking the system parameters............................................................................................................................................. 91
13.6.1 Checking the current sensor values ............................................................................................................................. 91
13.6.2 Measures in the event of conspicuous current sensor values:...................................................................... 92
13.7 Check battery charger ................................................................................................................................................................... 92
13.8 Check the battery modules ......................................................................................................................................................... 92
13.9 Checking the replacement power network ........................................................................................................................ 92
13.9.1 Black start key test ............................................................................................................................................................... 92
13.10 Service and repair: Cabinet interior......................................................................................................................................... 93
13.10.1 Opening the cabinet.............................................................................................................................................................. 94
13.10.2 Replace the SD card ............................................................................................................................................................. 94
13.10.3 Dismounting the battery converter............................................................................................................................... 94
13.10.4 Dismounting and installing the battery charger.................................................................................................... 95
13.10.5 Connections on the battery charger front................................................................................................................. 96

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13.10.6 View of the battery charger from behind................................................................................................................... 96
13.10.7 VARTA element backup Install battery charger..................................................................................................... 96
13.10.8 Dismounting and installing the battery modules .................................................................................................. 98
13.10.9 Replacing and cleaning the air filter............................................................................................................................ 99
13.10.10 Dismounting the cover of the storage cabinet ....................................................................................................... 99
13.10.11 Cleaning or replacing the ventilator........................................................................................................................... 100
13.11 Completing the service and repair works........................................................................................................................... 101
13.11.1 Check operating status ......................................................................................................................................................102
13.12 Cleaning................................................................................................................................................................................................102
14 FAULTS .............................................................................................................................................................................................................. 103
14.1 Faults displays of the LED ring................................................................................................................................................ 103
14.2 Faults displays on the web interface ................................................................................................................................... 103
15 DISMOUNT AND DISPOSAL ............................................................................................................................................................................. 103
15.1 Planning dismount ......................................................................................................................................................................... 103
15.2 Carry out dismount......................................................................................................................................................................... 104
15.3 Disposal................................................................................................................................................................................................ 104
16 MOVE.................................................................................................................................................................................................................. 104
16.1 Planning a move.............................................................................................................................................................................. 104
16.2 Carrying out a move....................................................................................................................................................................... 105
17 SPARE PARTS ................................................................................................................................................................................................... 106
18 DOCUMENTATION ............................................................................................................................................................................................ 106
18.1 Service works.....................................................................................................................................................................................107
18.2 Repair / other works...................................................................................................................................................................... 108
19 APPENDIX.......................................................................................................................................................................................................... 109
19.1 Figures.................................................................................................................................................................................................. 109
19.2 Tables.................................................................................................................................................................................................... 109

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About this manual
Read this operating manual through carefully before beginning any work. It contains important advice to ensure
flawless functioning of the VARTA element backup energy storage system. The manual is structured in such a
way that all work must be performed by a qualified electrical specialist who is certified by VARTA Storage
GmbH.
Target groups
This manual is directed at various target groups:
• End customers
• Electrical specialists responsible for installation, commissioning and maintenance.
Scope of application
This manual is part of the system and corresponds to the technical state-of-the-art at the time of publication. It
applies to the product VARTA element backup in the expansion stages: 6, 12 and 18 kWh, as of serial number
127XXXXXX (type plate).
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Please note that this operating manual also refers to optional components that are not included as
standard in the scope of delivery.
These components and/or system parts are marked in this manual as “optional”. Simply skip these
parts of the manual if your energy store is not equipped with them.
General equal treatment
VARTA Storage GmbH is conscious of the significance of language in relation to the equal treatment of men and
women. For ease of legibility, no gender-specific differentiation is deployed. In the interests of equal treatment,
corresponding terms apply to both sexes.
Notice for special attention
Depending on the network quality and the occurrence of network faults, the grid and plant protection can be
triggered and the replacement power network transitioned to at interruption times. VARTA Storage GmbH
assumes no liability for resulting damage.
Performing reconstructions or technical alterations to the product on one’s own authority is prohibited.
© VARTA Storage GmbH 2021
ATTENTION
Energy store switched off!
Possible damage to the batter module due to deep discharge.
The energy storage system may be switched off only temporarily for
maintenance purposes.

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General
1 Information about this manual
1.1 Symbol explanation
The following types of safety directions and tips are used in this operating manual
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Indicates tips regarding use of the device.
1.2 Safety instructions
In this manual, the safety directions are structured as follows:
Signal word
Type and source of danger!
Possible consequence(s) in the event of non-compliance.
Measure and prohibitions to avoid the danger.
1.2.1 Warning stages
Signal word and warning colour identify the warning stage and provide an immediate indication of the type and
severity of consequences if the measures to avoid the danger are not followed.
Warning colour / signal word
Consequences
warns of a directly dangerous situation that can lead to death or to serious
injuries and/or fire.
DANGER
warns of a possibly dangerous situation that can lead to death or to
serious injuries and/or fire.
WARNING
warns of a possibly dangerous situation that can lead to light injuries
and/or material damage.
CAUTION
warns of a possible situation that can lead to material and environmental
damage and disrupt operations.
ATTENTION

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1.3 General safety signs
Symbol
Meaning
Prohibition signs are round, with a black pictogram, on a white background
and a red border and crossbar.
Prohibition signs are round, with a white symbol, on a blue background.
Warning signs are triangular, with a black symbol and border, on a yellow
background.
Environmental regulations are indications of state regulations to be complied
with, particularly in relation to disposal.
1.4 Warning sign
General warning sign
Warning of hand injuries
Warning of electric shock
Warning of cut injuries
Warning of oxidising substances
Warning of dangers due to
batteries
warning of non-compliance with the discharge time.
Comply with a waiting time of at least 3 minutes.